Many types and sizes of drilling machines are used in manufacturing. They range in size from a simple bench mounted sensitive drill press to the large multiple-spindle machines able to drive many ...

The Robbins H-100 was a high-production blast-hole drill employed by a number of surface-coal-mining companies in the Illinois Basin during the 1960s and 1970s. Starting with development work in 1960 ...

as the Father of HDD, crossed the Pajaro River in northern California in 1971. Horizontal directional drilling (HDD) has gained popularity in the power delivery industry for undergrounding ...

When Jon Ersland purchased his first horizontal directional drill about 10 years ago, he figured he would use it only occasionally - likely just once or twice a week. But today, he finds he uses it ...

Drilling is one of the most complex machining processes. The chief characteristic that distinguishes it from other machining operations is the combined cutting and extrusion of metal at the chisel ...

As with other applications, it’s important to conduct an assessment of the application and jobsite prior to cutting or drilling into concrete, asphalt or other surfaces. This will enable you to plan ...